William, Duiker.J. <br/><br/>
The Essential World History 

 - 6th 
 - New York   :Wadsworth cengage learning,  2007 
 - xxxv,844p.   :ill.   ;25cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0-495-90294-2 
<br/><br/><label>LC Class. No.: </label>D20.D918